<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>

<div id="app">
  <ul id="v-for-object" class="demo">
    <li v-for="(value, key, index) in book">
      {{index}} -- {{key}} -- {{ value }}
    </li>
  </ul>
</div>

<script src="../lib/vue.js"></script>
<script>
  let vm = new Vue({
    el: '#app',
    data: {
      book: {
        title: 'How to do lists in Vue',
        author: 'Jane Doe',
        publishedAt: '2016-04-10'
      }
    }
  })
</script>

</body>
</html>